<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <!-- 引入ElementUI样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <script src="https://unpkg.com/vue/dist/vue.js"></script>
    <!-- 引入ElementUI组件库 -->
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
</head>
<body>
<div id="app">

    <el-menu>
    <el-submenu index="1">
    <template slot="title">
        <i class="el‐icon‐location"></i>
        <span slot="title">导航一</span>
    </template>
    <el-menu-item>选项1</el-menu-item>
    <el-menu-item>选项2</el-menu-item>
    <el-menu-item>选项3</el-menu-item>
    </el-submenu>
    <el-submenu index="2">
    <template slot="title">
        <i class="el‐icon‐menu"></i>
        <span slot="title">导航二</span>
    </template>
    <el-menu-item>选项1</el-menu-item>
    <el-menu-item>选项2</el-menu-item>
    <el-menu-item>选项3</el-menu-item>
    </el-submenu>
    </el-menu>

</div>

<script>
    new Vue({
        el: "#app"
    })
</script>

</body>


</html>